A kind of unification of three nets composite optical cable
The application is that name is called: a kind of unification of three nets composite cable, the applying date are: on 05 26th, 2014, application number is: the divisional application of the patent of invention of 201410224451.3.
Technical field
The invention belongs to electric power and technical field of cables, especially relate to a kind of unification of three nets composite optical cable.
Background technology
In prior art, cable, holding wire (comprising telephone wire, broadband networks winding thread etc.), cable television line normally lay separately and register one's residence, and user needs repeatedly to lay, and circuit is more in disorder, cause inconvenience and unnecessary expenditure to user; And the speed of repeatedly laying effect construction.
Publication number is CN102280171A, name is called: the patent of three-core cable and preparation method thereof, comprises the first conductor, the second conductor, the 3rd conductor and restrictive coating; It is characterized in that also comprising obturator, the first isolating bar, the second isolating bar, the 3rd isolating bar that is positioned at central authorities; Three conductors, three isolating bars are all close to obturator; Three conductors are kept apart by three isolating bars, and the first isolating bar, the second conductor, the second isolating bar, the 3rd conductor, the 3rd isolating bar, the first conductor are close to successively mutually; Three isolating bars and restrictive coating are formed in one; Three isolating bars protrude from the inwall of restrictive coating to obturator direction; Restrictive coating envelopes the first conductor, the second conductor and the 3rd conductor; On arbitrary cross section, three isolating bars, three conductors are equal with the curvature on the surface that obturator appearance is affixed separately.It has following beneficial effect: the consumption of product restrictive coating is few, and external diameter is thinner, and space hold is less, and every cost is lower, and production process is simpler, speed is faster.But regrettably only there is the function of transmission of electricity.
Summary of the invention
In order to solve the problem, the present invention discloses a kind of unification of three nets composite optical cable, and it realizes by the following technical solutions.
In 1st embodiment of the present invention, a kind of unification of three nets composite optical cable, it is characterized in that it comprises frame body, electric power supply unit, the oversheath be coated on outside electric power supply unit and frame body be made up of multiple isolating bar and intermediate, isolating bar to be distributed in around intermediate and to link together with intermediate, the central authorities of isolating bar are formed with longitudinally through connecting hole, have signal transmission component in connecting hole, electric power supply unit is between adjacent isolating bar.
In 2nd embodiment of the present invention, a kind of unification of three nets composite optical cable, it is characterized in that it comprises frame body, electric power supply unit, the oversheath be coated on outside electric power supply unit and frame body be made up of multiple isolating bar and intermediate, isolating bar to be distributed in around intermediate and to link together with intermediate, the central authorities of isolating bar are formed with longitudinally through connecting hole, have signal transmission component in connecting hole, electric power supply unit is between adjacent isolating bar; Intermediate central authorities also have a shielded cable, shielded cable by be positioned at center conductor, be coated on insulation outside conductor and screen, the protective layer be positioned at outside insulation and screen forms.
A kind of unification of three nets composite optical cable described above, it is characterized in that described electric power supply unit and frame body also have separator outward, oversheath is positioned at outside separator.
A kind of unification of three nets composite optical cable described above, is characterized in that the material of described separator is insulating material.
A kind of unification of three nets composite optical cable described above, is characterized in that the material of described separator is waterstop or nonwoven fabrics or mica tape or polyester belt or polypropylene tape.
A kind of unification of three nets composite optical cable described above, is characterized in that the material of described isolating bar and intermediate is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or low smoke and zero halogen polyethylene.
A kind of unification of three nets composite optical cable described above, is characterized in that the cross section of described electric power supply unit is the fan-shaped of scarce drift angle.
Further, a kind of unification of three nets composite optical cable described above, is characterized in that the cross section of described electric power supply unit is that identical or described fan-shaped drift angle is not exclusively equal.
A kind of unification of three nets composite optical cable described above, is characterized in that described signal transmission component is optical fiber or the insulating signal line including electric conductor.
A kind of unification of three nets composite optical cable described above, is characterized in that the material of described oversheath is plastics.
Further, a kind of unification of three nets composite optical cable described above, is characterized in that the material of described oversheath is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or low smoke and zero halogen polyethylene or flame retardant type polyvinyl chloride.
In the present invention, electric power supply unit, between adjacent isolating bar, makes the present invention be provided with the function of transferring electric power; The central authorities of isolating bar are formed with longitudinally through connecting hole, have signal transmission component, make the present invention be provided with the function of signal transmission, can transmit telephone signal, broadband signal, cable TV signal in connecting hole; Intermediate central authorities also have a shielded cable, make the present invention directly be provided with the function of transmission cable TV signal; Therefore, the function of unification of three nets is fully achieved in same cable.And the present invention has the advantages such as structure simply, is easily laid, construction schedule is fast.
Therefore, the present invention has following main beneficial effect: structure simply, is easily laid, construction schedule is fast, integrated cost is low.
Accompanying drawing explanation
Fig. 1 is the perspective view after one section of solution of the invention process example 1 is cut open.
Fig. 2 is the cross-sectional structure schematic diagram of Fig. 1.
Fig. 3 is the perspective view after one section of solution of the invention process example 2 is cut open.
Fig. 4 is the cross-sectional structure schematic diagram of Fig. 3.
Embodiment
embodiment 1
Ask for an interview Fig. 1 and Fig. 2; A kind of unification of three nets composite optical cable, it is characterized in that it comprises frame body 1, electric power supply unit 2, the oversheath 4 be coated on outside electric power supply unit and frame body be made up of three isolating bars 12 and intermediate 11, isolating bar to be distributed in around intermediate and to link together with intermediate, the central authorities of isolating bar are formed with longitudinally through connecting hole 121, have two signal transmission components 3 in each connecting hole, electric power supply unit is between adjacent isolating bar.
Certainly, in the present embodiment, isolating bar can be that other are multiple, as 2, and 4,5 etc.
embodiment 2
Ask for an interview Fig. 3 and Fig. 4, a kind of unification of three nets composite optical cable, it is characterized in that it comprises frame body 1, electric power supply unit 2, the oversheath 4 be coated on outside electric power supply unit and frame body be made up of multiple isolating bar 12 and intermediate 11, isolating bar to be distributed in around intermediate and to link together with intermediate, the central authorities of isolating bar are formed with longitudinally through connecting hole 121, have signal transmission component 3 in connecting hole, electric power supply unit is between adjacent isolating bar; Intermediate central authorities also have a shielded cable, shielded cable by be positioned at center conductor 5, be coated on insulation outside conductor and screen 6, the protective layer 7 be positioned at outside insulation and screen forms.
Certainly, in the present embodiment, isolating bar can be that other are multiple, as 2, and 4,5 etc.
Certainly, a kind of unification of three nets composite optical cable described in above-mentioned arbitrary embodiment, it is characterized in that described electric power supply unit and frame body also have separator outward, oversheath is positioned at outside separator.
Further, a kind of unification of three nets composite optical cable described above, is characterized in that the material of described separator is insulating material.
Certainly, a kind of unification of three nets composite optical cable described in above-mentioned arbitrary embodiment, is characterized in that the material of described separator is waterstop or nonwoven fabrics or mica tape or polyester belt or polypropylene tape.
Certainly, a kind of unification of three nets composite optical cable described in above-mentioned arbitrary embodiment, is characterized in that the material of described isolating bar and intermediate is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or low smoke and zero halogen polyethylene.
Certainly, a kind of unification of three nets composite optical cable described in above-mentioned arbitrary embodiment, is characterized in that the cross section of described electric power supply unit is the fan-shaped of scarce drift angle.
Further, a kind of unification of three nets composite optical cable described above, is characterized in that the cross section of described electric power supply unit is that identical or described fan-shaped drift angle is not exclusively equal.When the cross section of electric power supply unit is identical, each can reach the object balancing and transmit electric power; When fan-shaped drift angle incomplete equal time, different effects can be reached, during as having three electric power supply units, two equal, and one is not etc., and equal like this two just may be used for transmitting single-phase electricity, use as phase line and zero line, and can using as ground wire that another root does not wait, equal drift angle can be made so comparatively greatly also to be that sectional area is comparatively large, larger electric current and electric load can be born; For another example when there is four electric power supply units, three equal, one is not etc., equal like this three just may be used for transmitting three-phase electricity, and another root does not wait can use as ground wire or the neutral line, it is also that sectional area is comparatively large that equal drift angle can be made so comparatively large, can bear larger electric current and electric load.
Certainly, a kind of unification of three nets composite optical cable described in arbitrary embodiment described above, is characterized in that, on arbitrary cross section, the outer rim of described isolating bar and the outer rim of electric power supply unit, preferably same circumferentially.
Certainly, a kind of unification of three nets composite optical cable described in above-mentioned arbitrary embodiment, is characterized in that described signal transmission component is optical fiber or the insulating signal line including electric conductor.
Certainly, a kind of unification of three nets composite optical cable described in above-mentioned arbitrary embodiment, is characterized in that the material of described oversheath is plastics.
Further, a kind of unification of three nets composite optical cable described above, is characterized in that the material of described oversheath is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or polypropylene or low smoke and zero halogen polyethylene or flame retardant type polyvinyl chloride.
In the present invention, electric power supply unit can synthesize compared with conductor strand, integer by many, also can add crowded insulating barrier integer is external; Even if do not add crowded insulating barrier, also can realize the function insulated, therefore, the consumption of insulating material can be saved, cost-saving, make cable more low-carbon (LC).
In the present invention, electric power supply unit, between adjacent isolating bar, makes the present invention be provided with the function of transferring electric power; The central authorities of isolating bar are formed with longitudinally through connecting hole, have signal transmission component, make the present invention be provided with the function of signal transmission, can transmit telephone signal, broadband signal, cable TV signal in connecting hole; Intermediate central authorities also have a shielded cable, make the present invention directly be provided with the function of transmission cable TV signal; Therefore, the function of unification of three nets is fully achieved in same cable.And the present invention has the advantages such as structure simply, is easily laid, construction schedule is fast.
Therefore, the present invention has following main beneficial effect: structure simply, is easily laid, construction schedule is fast, integrated cost is low.
The present invention is not limited to above-mentioned preferred forms, and should be appreciated that design of the present invention can be implemented to use by other various forms, they drop in protection scope of the present invention equally.